About: http://webisa.webdatacommons.org/147351834

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	When the light source is a helium neon laser, which emits light at 633 nm, the two scattered light collection angle intervals are two to three degrees (2???-3???) and five to fifteen (5???-15???) degrees.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com